70201980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{547}}^1$

素因数の和:616

約数の個数: 144

約数和(自身を含む): 229791744

約数和(自身を除く): 159589764

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 31, 36, 45, 46, 60, 62, 69, 90, 92, 93, 115, 124, 138, 155, 180, 186, 207, 230, 276, 279, 310, 345, 372, 414, 460, 465, 547, 558, 620, 690, 713, 828, 930, 1035, 1094, 1116, 1380, 1395, 1426, 1641, 1860, 2070, 2139, 2188, 2735, 2790, 2852, 3282, 3565, 4140, 4278, 4923, 5470, 5580, 6417, 6564, 7130, 8205, 8556, 9846, 10695, 10940, 12581, 12834, 14260, 16410, 16957, 19692, 21390, 24615, 25162, 25668, 32085, 32820, 33914, 37743, 42780, 49230, 50324, 50871, 62905, 64170, 67828, 75486, 84785, 98460, 101742, 113229, 125810, 128340, 150972, 152613, 169570, 188715, 203484, 226458, 251620, 254355, 305226, 339140, 377430, 390011, 452916, 508710, 566145, 610452, 754860, 763065, 780022, 1017420, 1132290, 1170033, 1526130, 1560044, 1950055, 2264580, 2340066, 3052260, 3510099, 3900110, 4680132, 5850165, 7020198, 7800220, 11700330, 14040396, 17550495, 23400660, 35100990, 70201980]

約数ペア:

[(1, 70201980), (2, 35100990), (3, 23400660), (4, 17550495), (5, 14040396), (6, 11700330), (9, 7800220), (10, 7020198), (12, 5850165), (15, 4680132), (18, 3900110), (20, 3510099), (23, 3052260), (30, 2340066), (31, 2264580), (36, 1950055), (45, 1560044), (46, 1526130), (60, 1170033), (62, 1132290), (69, 1017420), (90, 780022), (92, 763065), (93, 754860), (115, 610452), (124, 566145), (138, 508710), (155, 452916), (180, 390011), (186, 377430), (207, 339140), (230, 305226), (276, 254355), (279, 251620), (310, 226458), (345, 203484), (372, 188715), (414, 169570), (460, 152613), (465, 150972), (547, 128340), (558, 125810), (620, 113229), (690, 101742), (713, 98460), (828, 84785), (930, 75486), (1035, 67828), (1094, 64170), (1116, 62905), (1380, 50871), (1395, 50324), (1426, 49230), (1641, 42780), (1860, 37743), (2070, 33914), (2139, 32820), (2188, 32085), (2735, 25668), (2790, 25162), (2852, 24615), (3282, 21390), (3565, 19692), (4140, 16957), (4278, 16410), (4923, 14260), (5470, 12834), (5580, 12581), (6417, 10940), (6564, 10695), (7130, 9846), (8205, 8556)]